What do you think of when you hear the word “tortoise”? The giant tortoises that lumber along like tanks over the Galapagos ...

Republican senators are getting ready to leave Washington without advancing a major sanctions bill against Russia, giving President Trump sole discretion over whether to follow through on his ...

They discovered that an enzyme produced by bacteria, glucose isomerase, could convert ordinary dent corn into a high-octane sweetener. In 1971, the chemist Yoshiyuki Takasaki, working in Chiba City, ...